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https://hdl.handle.net/11499/5392
Title: | Preconcentration of Cr(III), Co(II), Cu(II), Fe(III) and Pb(II) as calmagite chelates on cellulose nitrate membrane filter prior to their flame atomic absorption spectrometric determinations | Authors: | Soylak, M. Divrikli, U. Elçi, Latif Dogan, M. |
Keywords: | Calmagite Cellulose nitrate membrane Mineral and drinking waters Preconcentration Absorption spectroscopy Cellulose Chromium Cobalt Copper Iron Lead Membranes pH effects Relative standard deviations Chelation calmagite chelate chromium cobalt copper ferric ion lead mineral water pyroxylin tap water unclassified drug analytic method article atomic absorption spectrometry chelation concentration process dissolution drug determination flame photometry mathematical analysis membrane filter metal binding pH product recovery quantitative diagnosis water sampling |
Publisher: | Elsevier | Abstract: | A method for the preconcentration and determination of Cr(III), Co(II), Cu(II), Fe(III) and Pb(II) ions by atomic absorption spectrometry has been described. The method was based the collection of metal-calmagite complexes on a soluble cellulose nitrate membrane filter. The detection of the solution was obtained by flame atomic absorption spectrometry (FAAS) after completely dissolving the membrane with 0.5 ml of nitric acid at 80°C. The metal ions were recovered quantitatively at pH 8. Various factors which affect the collection and determination of metal ions such as, type and size of the membrane filter, solvent for dissolution of the species retained on the filter were investigated. The detection limits were varying 0.06 µg 1-1 for Cu to 2.5 µg 1-1 for Cr. An application of the proposed method for analyte ions in mineral and tap water samples was also described with satisfactory results (recoveries > 95%, relative standard deviations < 10%). © 2002 Elsevier Science B.V. All rights reserved. | URI: | https://hdl.handle.net/11499/5392 https://doi.org/10.1016/S0039-9140(01)00575-6 |
ISSN: | 0039-9140 |
Appears in Collections: | Fen-Edebiyat Fakültesi Koleksiyonu PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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